Display screen or portion thereof with a graphical user interface showing an image search engine results page



The FIGURE is a front view of display screen or portion thereof with a graphical user interface showing an image search engine results page according to my design.

The broken line outer perimeter in the FIGURE represents both the boundaries of the display screen and the graphical user interface. This outer edge of the portion of the display screen is understood to be congruent with the outer edge of the graphical user interface.

The broken line showing the display screen and features of the graphical user interface are provided to illustrate portions the display screen or portion thereof with a graphical user interface showing an image search engine results page that form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with a graphical user interface showing an image search engine results page, as shown and described. 